Light measurement

Interior measurement

​Exterior measurement

Interior:
20+  More dots are below the average, less dots are above the average.
20-  Less  dots are below the average, more dots are above the average.

The dots are distributed more widely with actual reading going up.

Sound level Measurement

Interior measurement
Distribution of plot is symmetrical with y=x.

Exterior measurement
There are much noise interrupting the measurement. No trend can be found.

Temperature and Relative Humidty

RH %

Temperature  。F